1 /*
2 * Tiny Code Generator for QEMU
3 *
4 * Copyright (c) 2008 Fabrice Bellard
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a copy
7 * of this software and associated documentation files (the "Software"), to deal
8 * in the Software without restriction, including without limitation the rights
9 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10 * copies of the Software, and to permit persons to whom the Software is
11 * furnished to do so, subject to the following conditions:
12 *
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
22 * THE SOFTWARE.
23 */
24 #include "qemu/osdep.h"
25 #include "qemu/host-utils.h"
26 #include "cpu.h"
27 #include "exec/helper-proto-common.h"
28 #include "exec/cpu_ldst.h"
29 #include "exec/exec-all.h"
30 #include "disas/disas.h"
31 #include "exec/log.h"
32 #include "tcg/tcg.h"
33
34 #define HELPER_H "accel/tcg/tcg-runtime.h"
35 #include "exec/helper-info.c.inc"
36 #undef HELPER_H
37
38 /* 32-bit helpers */
39
HELPER(div_i32)40 int32_t HELPER(div_i32)(int32_t arg1, int32_t arg2)
41 {
42 return arg1 / arg2;
43 }
44
HELPER(rem_i32)45 int32_t HELPER(rem_i32)(int32_t arg1, int32_t arg2)
46 {
47 return arg1 % arg2;
48 }
49
HELPER(divu_i32)50 uint32_t HELPER(divu_i32)(uint32_t arg1, uint32_t arg2)
51 {
52 return arg1 / arg2;
53 }
54
HELPER(remu_i32)55 uint32_t HELPER(remu_i32)(uint32_t arg1, uint32_t arg2)
56 {
57 return arg1 % arg2;
58 }
59
60 /* 64-bit helpers */
61
HELPER(shl_i64)62 uint64_t HELPER(shl_i64)(uint64_t arg1, uint64_t arg2)
63 {
64 return arg1 << arg2;
65 }
66
HELPER(shr_i64)67 uint64_t HELPER(shr_i64)(uint64_t arg1, uint64_t arg2)
68 {
69 return arg1 >> arg2;
70 }
71
HELPER(sar_i64)72 int64_t HELPER(sar_i64)(int64_t arg1, int64_t arg2)
73 {
74 return arg1 >> arg2;
75 }
76
HELPER(div_i64)77 int64_t HELPER(div_i64)(int64_t arg1, int64_t arg2)
78 {
79 return arg1 / arg2;
80 }
81
HELPER(rem_i64)82 int64_t HELPER(rem_i64)(int64_t arg1, int64_t arg2)
83 {
84 return arg1 % arg2;
85 }
86
HELPER(divu_i64)87 uint64_t HELPER(divu_i64)(uint64_t arg1, uint64_t arg2)
88 {
89 return arg1 / arg2;
90 }
91
HELPER(remu_i64)92 uint64_t HELPER(remu_i64)(uint64_t arg1, uint64_t arg2)
93 {
94 return arg1 % arg2;
95 }
96
HELPER(muluh_i64)97 uint64_t HELPER(muluh_i64)(uint64_t arg1, uint64_t arg2)
98 {
99 uint64_t l, h;
100 mulu64(&l, &h, arg1, arg2);
101 return h;
102 }
103
HELPER(mulsh_i64)104 int64_t HELPER(mulsh_i64)(int64_t arg1, int64_t arg2)
105 {
106 uint64_t l, h;
107 muls64(&l, &h, arg1, arg2);
108 return h;
109 }
110
HELPER(clz_i32)111 uint32_t HELPER(clz_i32)(uint32_t arg, uint32_t zero_val)
112 {
113 return arg ? clz32(arg) : zero_val;
114 }
115
HELPER(ctz_i32)116 uint32_t HELPER(ctz_i32)(uint32_t arg, uint32_t zero_val)
117 {
118 return arg ? ctz32(arg) : zero_val;
119 }
120
HELPER(clz_i64)121 uint64_t HELPER(clz_i64)(uint64_t arg, uint64_t zero_val)
122 {
123 return arg ? clz64(arg) : zero_val;
124 }
125
HELPER(ctz_i64)126 uint64_t HELPER(ctz_i64)(uint64_t arg, uint64_t zero_val)
127 {
128 return arg ? ctz64(arg) : zero_val;
129 }
130
HELPER(clrsb_i32)131 uint32_t HELPER(clrsb_i32)(uint32_t arg)
132 {
133 return clrsb32(arg);
134 }
135
HELPER(clrsb_i64)136 uint64_t HELPER(clrsb_i64)(uint64_t arg)
137 {
138 return clrsb64(arg);
139 }
140
HELPER(ctpop_i32)141 uint32_t HELPER(ctpop_i32)(uint32_t arg)
142 {
143 return ctpop32(arg);
144 }
145
HELPER(ctpop_i64)146 uint64_t HELPER(ctpop_i64)(uint64_t arg)
147 {
148 return ctpop64(arg);
149 }
150
HELPER(exit_atomic)151 void HELPER(exit_atomic)(CPUArchState *env)
152 {
153 cpu_loop_exit_atomic(env_cpu(env), GETPC());
154 }
155